Light yellow solids with minute microcrystal,good permeability, adhesiveness, flexibility and humidity resistance,as well as insulativity. Widely applied for electric,glazing,packaging and casting industries,etc. Item Specification Grade 70# 80# Melting point 67 – 72 77 – 82 Needle Penetration 1/10 mm (25'C, 100g) 10-30 10-20 Oil content, % (m/m) ,Max 2.0 2.0 Colour, Lovibond ,Min 3.0 3.0 Viscosity (100°c), mm²/s ,Min6 10-20 Water-soluble Acids & Alkies Nil Nil 50KGS slabs,packed in bags 20'FCL LOAD:20MT,400 bags.